109 lines
2.2 KiB
C++
109 lines
2.2 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2021 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#ifndef NUMERICSLIDERBASE_H
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#define NUMERICSLIDERBASE_H
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#include "sliderbase.h"
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namespace olive {
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class NumericSliderBase : public SliderBase
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{
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Q_OBJECT
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public:
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NumericSliderBase(QWidget *parent = nullptr);
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void SetLadderElementCount(int b)
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{
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ladder_element_count_ = b;
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}
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void SetDragMultiplier(const double& d);
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void SetOffset(const QVariant& v);
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bool IsDragging() const;
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protected:
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const QVariant& GetOffset() const
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{
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return offset_;
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}
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virtual QVariant AdjustDragDistanceInternal(const QVariant &start, const double &drag) const;
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void SetMinimumInternal(const QVariant& v);
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void SetMaximumInternal(const QVariant& v);
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virtual bool ValueGreaterThan(const QVariant& lhs, const QVariant& rhs) const;
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virtual bool ValueLessThan(const QVariant& lhs, const QVariant& rhs) const;
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virtual bool CanSetValue() const override;
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private:
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bool UsingLadders() const;
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virtual QVariant AdjustValue(const QVariant& value) const override;
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SliderLadder* drag_ladder_;
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int ladder_element_count_;
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bool dragged_;
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bool has_min_;
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QVariant min_value_;
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bool has_max_;
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QVariant max_value_;
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double dragged_diff_;
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QVariant drag_start_value_;
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QVariant offset_;
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double drag_multiplier_;
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bool setting_drag_value_;
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/**
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* @brief An effects slider somewhere is being dragged
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*/
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static bool effects_slider_is_being_dragged_;
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private slots:
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void LabelPressed();
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void RepositionLadder();
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void LadderDragged(int value, double multiplier);
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void LadderReleased();
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};
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}
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#endif // NUMERICSLIDERBASE_H
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